[gthumb] gstreamer utils: fixed memory leak

[Paolo Bacchilega <paobac src gnome org>]

commit 6c18f78ba11d59abbc1488c0ff1a8677566d13ec
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri May 21 08:08:23 2021 +0200

    gstreamer utils: fixed memory leak

 extensions/gstreamer_utils/gstreamer-utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/extensions/gstreamer_utils/gstreamer-utils.c b/extensions/gstreamer_utils/gstreamer-utils.c
index d1f5e972..83812100 100644
--- a/extensions/gstreamer_utils/gstreamer-utils.c
+++ b/extensions/gstreamer_utils/gstreamer-utils.c
@@ -794,6 +794,7 @@ _gst_playbin_get_current_frame (GstElement          *playbin,
                                                                 sample);
 
                gst_memory_unmap (memory, &info);
+               gst_memory_unref (memory);
        }
 
        if (data->pixbuf == NULL)
@@ -804,4 +805,3 @@ _gst_playbin_get_current_frame (GstElement          *playbin,
 
        return TRUE;
 }
-